The identification (by gas chromatography–mass spectrometry and n.m.r.) for the first time of the weak oestrogen equol [7-hydroxy-3-(4′-hydroxyphenyl)chroman] in human urine is described. Preliminary results of its quantitative excretion in urine are reported and the potential significance of the occurrence of this compound is discussed.
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© 1982 London: The Biochemical Society
1982
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